dnl Copyright (C) 2007-2021  CEA/DEN, EDF R&D, OPEN CASCADE
dnl
dnl Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
dnl CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
dnl
dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
dnl

dnl @synopsis AC_LINKER_OPTIONS
dnl Check warning flags for C++ compiler to control warning messages
dnl
AC_DEFUN([AC_LINKER_OPTIONS],[

  AC_CHECKING(for LIB_LOCATION_SUFFIX)
  LIB_LOCATION_SUFFIX=""
  AC_SUBST(LIB_LOCATION_SUFFIX)
  AC_MSG_RESULT(LIB_LOCATION_SUFFIX is $LIB_LOCATION_SUFFIX)

  for opt in "-Xlinker -export-dynamic" -transitive_link; do
    AC_CXX_OPTION($opt,LDEXPDYNFLAGS,flag=yes,flag=no)
    if test "$flag" = "yes"; then
      break
    fi
  done
  AC_SUBST(LDEXPDYNFLAGS)

  for opt in "-Xlinker -enable-new-dtags" ; do
    AC_CXX_OPTION($opt,LDFLAGS)
  done
  AC_SUBST(LDFLAGS)

dnl 
  case $host_os in
    osf*)
      STDLIB="-lcxxstd"
      ;;
    *)
      STDLIB="-lstdc++"
      ;;
  esac
  AC_SUBST(STDLIB)
])
